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13944256 = 26239473
BaseRepresentation
bin110101001100…
…010111000000
3222020102220221
4311030113000
512032204011
61214512424
7226344544
oct65142700
928212827
1013944256
117964587
124805714
132b72c51
141bcda24
151356971
hexd4c5c0

13944256 has 28 divisors (see below), whose sum is σ = 28876752. Its totient is φ = 6668288.

The previous prime is 13944221. The next prime is 13944257. The reversal of 13944256 is 65244931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265 + ... + 6208.

Almost surely, 213944256 is an apocalyptic number.

13944256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13944256 is an abundant number, since it is smaller than the sum of its proper divisors (14932496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13944256 is an equidigital number, since it uses as much as digits as its factorization.

13944256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508 (or 9498 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 13944256 is about 3734.2008515879. The cubic root of 13944256 is about 240.6939176518.

The spelling of 13944256 in words is "thirteen million, nine hundred forty-four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 9473 18946 37892 75784 151568 217879 303136 435758 606272 871516 1743032 3486064 6972128 13944256